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| floor man; rotary helper; roughneck | |||
| floorman; floor worker | |||
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钻台工 : 20 phrases in 6 subjects |
| Drilling | 6 |
| Mechanic engineering | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Technology | 9 |
| Wind Energy | 1 |
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